Carbonized foam light soil and preparation method thereof
A technology of carbonized foam and lightweight soil, applied in ceramic products, other household utensils, applications, etc., can solve the problems of slow growth of cement soil strength, non-green environmental protection, long maintenance time, etc., to reduce cement consumption and increase cracking Risk, the effect of improving engineering safety
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Embodiment 1
[0026] A carbonized foam light soil, each cubic meter of the carbonized foam light soil contains: 100 parts of activated magnesium oxide powder, 100 parts of silty clay, 10 parts of CO2 bubble group and 200 parts of water. The silty clay needs to be air-dried first, then crushed and passed through a 2mm sieve. The water used is distilled water, containing CO 2 Moisture used in bubble populations.
[0027] Choose sodium dodecyl sulfonate as foaming agent, dilute foaming agent by 40 times of dilution factor, control sodium cocoyl glycinate active agent dosage at 3% of foaming agent, mix to obtain foaming liquid, its foaming rate 20 times, half-life of 20 ~ 40min.
[0028] Table 1 Main physical and chemical indicators of silty clay
[0029] Test items test value Natural density ρ / (g.cm -3 )
1.88 Natural moisture content, w / % 33.3 Maximum dry density / (g.cm -3 )
1.72 Optimum moisture content / % 17.4 Liquid limit, w L (%)
43 ...
Embodiment 2
[0039] A carbonized foam light soil, each cubic meter of the carbonized foam light soil contains: 100 parts of activated magnesium oxide powder, 100 parts of silty clay, 10 parts of CO2 bubble group and 200 parts of water. Adopt same silty clay, magnesia, water and blowing agent as in embodiment 1, and also keep consistent to the processing method of all kinds of materials.
[0040] The preparation method of the carbonized foam light soil in Example 2 is the same as in Example 1, and the curing time is 1 d.
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